UTMB
Sparthatlon
GUCR
Lakeland 100
WHW
Western States
Other similar events (100 miles plus) might be acceptable - please email for confirmation.
Unsupported runners will have a longer list of compulsory items to carry for their own safety, bag checks will be made at the start and at various other checkpoints along the way.

The Hardmoors 110 Ultamarathon follows the dramatic Cleveland Way National Trail encircling the North Yorkshire Moors and the Cleveland Heritage coastline. Starting from Helmsley, it finishes at Filey after 110 miles and 6,000 of elevation gain.